item drop multiplication fix

src/inventory.cpp

@@ -180,6 +180,16 @@ ServerActiveObject* CraftItem::createSAO(ServerEnvironment *env, u16 id, v3f pos
 	}
 }
 
+u16 CraftItem::getDropCount()
+{
+	// Special cases
+	if(m_subname == "rat")
+		return 1;
+	// Default
+	else
+		return InventoryItem::getDropCount();
+}
+
 bool CraftItem::isCookable()
 {
 	if(m_subname == "lump_of_iron")

src/inventory.h

@@ -59,6 +59,8 @@ public:
 	virtual std::string getText() { return ""; }
 	// Creates an object from the item, to be placed in the world.
 	virtual ServerActiveObject* createSAO(ServerEnvironment *env, u16 id, v3f pos);
+	// Gets amount of items that dropping one SAO will decrement
+	virtual u16 getDropCount(){ return getCount(); }
 
 	/*
 		Quantity methods
@@ -279,6 +281,7 @@ public:
 	}
 
 	ServerActiveObject* createSAO(ServerEnvironment *env, u16 id, v3f pos);
+	u16 getDropCount();
 
 	virtual bool addableTo(InventoryItem *other)
 	{

src/server.cpp

@@ -2470,22 +2470,27 @@ void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id)
 					
 					dout_server<<"Placed object"<<std::endl;
 
-					// If item has count<=1, delete it
-					if(item->getCount() <= 1)
+					if(g_settings.getBool("creative_mode") == false)
 					{
-						InventoryList *ilist = player->inventory.getList("main");
-						if(g_settings.getBool("creative_mode") == false && ilist)
+						// Delete the right amount of items from the slot
+						u16 dropcount = item->getDropCount();
+						
+						// Delete item if all gone
+						if(item->getCount() <= dropcount)
 						{
-							// Remove from inventory and send inventory
-							ilist->deleteItem(item_i);
-							// Send inventory
-							SendInventory(peer_id);
+							if(item->getCount() < dropcount)
+								dstream<<"WARNING: Server: dropped more items"
+										<<" than the slot contains"<<std::endl;
+							
+							InventoryList *ilist = player->inventory.getList("main");
+							if(ilist)
+								// Remove from inventory and send inventory
+								ilist->deleteItem(item_i);
 						}
-					}
-					// Else decrement it
-					else
-					{
-						item->remove(1);
+						// Else decrement it
+						else
+							item->remove(dropcount);
+						
 						// Send inventory
 						SendInventory(peer_id);
 					}